AHRS-TH unit

AHRS-TH unit is a high performance true geographical headings unit. It provides position, true heading and two Euler angles (pitch, roll). It supports multiple serial and Ethernet communication. It is housed in a IP 67 enclosure with a military standard connector.

Accuracy:

Heading (RMS): 0.30° @ 0.5 m antenna separation
0.15° @ 1.0 m antenna separation
0.08° @ 2.0 m antenna separation
0.04° @ 5.0 m antenna separation
Pitch/Roll (RMS):
Heave (RMS):* 30    m (DGPS), 10 cm (RTK)
Positioning: Horizontal (RMS (67%)) Vertical (2DRMS (95%))
Autonomous, no SA:* 1.2 m 2.5 m
SBAS:* 0.3 m 0.6 m
Atlas Basic:* 0.50 m 1.0 m
RTK:* 10 mm + 1 ppm 20 mm + 2 ppm

*Depends on multipath environment, number of satellites in view and satellite geometry

Technical specifications:

Specifications Weight 1.4 kg
Dimensions (H x W x L) 800 x 150 x 110 mm
Materials Plastic/Aluminium
Protection / IP rating IP 67
Operating temperature -40°C to +55°C
Input voltage 18 VDC – 32 VDC
Power consumption 2.1 W
Communication RS-232, RS-485, RS-422, Ethernet Base 10T
Protocol NMEA

Features:

  • Full AHRS module
  • Multiple communication options
  • IP 67 enclosure
  • Fast update rate

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